Home / 26,106.40-39,159.60-8,576.80

Finding the Fourth Proportional to 26,106.40, 39,159.60 and 8,576.80

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Solution

The fourth proportional to 26,106.40, 39,159.60 and 8,576.80 is: 12,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.40 : 39,159.60 = 8,576.80 : x
  2. Step 2: Convert to fraction form
    26,106.40/39,159.60 = 8,576.80/x
  3. Step 3: Cross multiply
    26,106.40x = 39,159.60 × 8,576.80
  4. Step 4: Simplify right side
    26,106.40x = 335,864,057.28
  5. Step 5: Solve for x
    x = 335,864,057.28/26,106.40
  6. Step 6: Final answer
    x = 12,865.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.